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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

A recombinant glycoprotein vaccine for herpes simplex virus type 2: safety and immunogenicity [corrected].

OBJECTIVE: To evaluate the safety and immunogenicity of a recombinant glycoprotein vaccine for herpes simplex virus type 2 (HSV-2), which contains glycoproteins gD2 and gB2 combined with the novel MF59 adjuvant emulsion, in HSV-2-seronegative persons. DESIGN: Integrated summary of two phase I and two phase II studies. SETTING: University and private outpatient clinics. PATIENTS: 137 persons seronegative for HSV-2 antibodies as determined by HSV Western blot assay. INTERVENTION: Open-label vaccine administration with a dose-escalating design (phase I) was followed by randomized vaccine administration (phase II). Vaccine was administered intramuscularly into the deltoid at 0, 1, and 6 months. MEASUREMENTS: Neutralizing, HSV-2-binding antibodies and HSV-2-stimulated proliferative responses were measured before and after immunization. RESULTS: Among HSV-seronegative patients, the gD2 and gB2 enzyme-linked immunosorbent assay (ELISA) and HSV-2-neutralizing antibody titers increased to levels equal to or higher than those seen in naturally acquired HSV-2 infection after the full three-dose immunization schedule. Among HSV-1-seropositive patients, one immunization produced increases in gD2 and gB2 ELISA antibody titers and HSV-2-neutralizing antibody titers that were 3 to 5 times greater than those in persons with naturally acquired HSV-2 infection. Among HSV-seronegative patients, frequency analysis assays showed a marked increase in the precursor frequency of gD2- and gB2-specific T cells after vaccination: T-cell responses after two immunizations were equal to the responses of HSV-2-seropositive patients and were sustained at day 180. The vaccine was well tolerated. CONCLUSIONS: This subunit vaccine induces both humoral and cellular responses to HSV-2 that are equal to or greater than those of persons with naturally acquired HSV-2 infection. Studies to evaluate this vaccine for the prevention of genital herpes appear warranted.[1]

References

  1. A recombinant glycoprotein vaccine for herpes simplex virus type 2: safety and immunogenicity [corrected]. Langenberg, A.G., Burke, R.L., Adair, S.F., Sekulovich, R., Tigges, M., Dekker, C.L., Corey, L. Ann. Intern. Med. (1995) [Pubmed]
 
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